电源。可以指定气动、低压或线压。
Power source. Pneumatic, low voltage or line voltage can be specified.
窄带运转的脉冲幅度接近宽带运转，这意味着由于谱线压窄引起的能量损耗不大。
The pulse amplitude of narrow band operating approaches to that of broadband operating, it means that, the energy loss caused by narrowing spectrum is only a few.
通过对多种载荷作用宽度的线压作用下的圆柱壳的有限元应力计算，研究线压作用宽度对理论解的影响。
The influence of line load width on the results of theoretical solution is studied by the way of finite element calculation of cylindrical shell under line loads with different acting width.
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